1.修改iOS Apex Mobile Saved Document判断忽略大小写。

Apex Mobile/Apex Mobile/LocalDocumentsViewController.m

@@ -54,7 +54,7 @@
     NSString *filename;
     while (filename = [direnum nextObject])
     {
-        if ([[filename pathExtension] isEqualToString:@"pdf"])
+        if ([[filename pathExtension].lowercaseString isEqualToString:@"pdf"])
         {
             [map setValue:filename forKey:@"title"];
 //            [map setValue:@"rect_search_documents" forKey:@"img"];